1 files changed, 120 insertions, 0 deletions
diff --git a/protocols/Telegram/tdlib/td/td/telegram/ThemeManager.h b/protocols/Telegram/tdlib/td/td/telegram/ThemeManager.h
new file mode 100644
index 0000000000..e11b9038e1
--- /dev/null
+++ b/protocols/Telegram/tdlib/td/td/telegram/ThemeManager.h
@@ -0,0 +1,120 @@
+//
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+#pragma once
+
+#include "td/telegram/BackgroundId.h"
+#include "td/telegram/BackgroundType.h"
+#include "td/telegram/td_api.h"
+#include "td/telegram/telegram_api.h"
+
+#include "td/actor/actor.h"
+
+#include "td/utils/common.h"
+#include "td/utils/Promise.h"
+#include "td/utils/Status.h"
+
+namespace td {
+
+class Td;
+
+class ThemeManager final : public Actor {
+ public:
+  ThemeManager(Td *td, ActorShared<> parent);
+
+  void init();
+
+  void on_update_theme(telegram_api::object_ptr<telegram_api::theme> &&theme, Promise<Unit> &&promise);
+
+  static string get_theme_parameters_json_string(const td_api::object_ptr<td_api::themeParameters> &theme,
+                                                 bool for_web_view);
+
+  void get_current_state(vector<td_api::object_ptr<td_api::Update>> &updates) const;
+
+ private:
+  // apeend-only
+  enum class BaseTheme : int32 { Classic, Day, Night, Tinted, Arctic };
+
+  static constexpr int32 THEME_CACHE_TIME = 3600;
+
+  struct ThemeSettings {
+    int32 accent_color = 0;
+    int32 message_accent_color = 0;
+    BackgroundId background_id;
+    BackgroundType background_type;
+    BaseTheme base_theme = BaseTheme::Classic;
+    vector<int32> message_colors;
+    bool animate_message_colors = false;
+
+    template <class StorerT>
+    void store(StorerT &storer) const;
+
+    template <class ParserT>
+    void parse(ParserT &parser);
+  };
+
+  friend bool operator==(const ThemeSettings &lhs, const ThemeSettings &rhs);
+
+  friend bool operator!=(const ThemeSettings &lhs, const ThemeSettings &rhs);
+
+  struct ChatTheme {
+    string emoji;
+    int64 id = 0;
+    ThemeSettings light_theme;
+    ThemeSettings dark_theme;
+
+    template <class StorerT>
+    void store(StorerT &storer) const;
+
+    template <class ParserT>
+    void parse(ParserT &parser);
+  };
+
+  struct ChatThemes {
+    int64 hash = 0;
+    double next_reload_time = 0;
+    vector<ChatTheme> themes;
+
+    template <class StorerT>
+    void store(StorerT &storer) const;
+
+    template <class ParserT>
+    void parse(ParserT &parser);
+  };
+
+  void start_up() final;
+
+  void loop() final;
+
+  void tear_down() final;
+
+  static bool is_dark_base_theme(BaseTheme base_theme);
+
+  void on_get_chat_themes(Result<telegram_api::object_ptr<telegram_api::account_Themes>> result);
+
+  td_api::object_ptr<td_api::themeSettings> get_theme_settings_object(const ThemeSettings &settings) const;
+
+  td_api::object_ptr<td_api::chatTheme> get_chat_theme_object(const ChatTheme &theme) const;
+
+  td_api::object_ptr<td_api::updateChatThemes> get_update_chat_themes_object() const;
+
+  static string get_chat_themes_database_key();
+
+  void save_chat_themes();
+
+  void send_update_chat_themes() const;
+
+  static BaseTheme get_base_theme(const telegram_api::object_ptr<telegram_api::BaseTheme> &base_theme);
+
+  ThemeSettings get_chat_theme_settings(telegram_api::object_ptr<telegram_api::themeSettings> settings);
+
+  ChatThemes chat_themes_;
+
+  Td *td_;
+  ActorShared<> parent_;
+};
+
+}  // namespace td